#!/usr/bin/python
import os
import sys
import subprocess
import multiprocessing
import fnmatch

def flacToMp3(filename):
    outname = "{0}.mp3".format(filename)
    p1 = subprocess.Popen(["flac", "-d", "-c", "--ogg", "--decode-through-errors", filename], stdout=subprocess.PIPE)
    p2 = subprocess.Popen(["lame", "--noreplaygain", "--resample", "44.1",
                           "-m", "j", "--preset", "cbr", "192", "-q", "0", "-", outname],
                          stdin=p1.stdout, stdout=None)
    p1.stdout.close()


def main(threads):
    files = os.listdir(".")
    pool = multiprocessing.Pool(processes=threads)
    for file in files:
        if fnmatch.fnmatch(file, "*.flac"):
            mapped = pool.map(flacToMp3, files, 1)
        pool.close()

if __name__ == '__main__':
    threads = 2
    main(threads)
    print('\nDone!')
    sys.exit(0)